Painting Inside Ductwork
Painting Inside Ductwork
(OP)
Greetings
My project specifications call for painting the visible internal portions of duct outlets in dull black. Unfortunately I have no further details regarding this paint. I am concerned about the impact this paint can have on the health of the occupants because these are ventilation ducts (office fresh air). Is there a certification mark I should be looking for like low-VOC/lead?
The project is an office commercial building and the ducts are made of galvanized sheet to ASTM A 653.
Also I know there is an ASTM guide for treatment of zinc-coated steel surfaces for painting (D 2092) but does anyone know if are there paints that adhere directly to the zinc coat? It will might make application easier.
Much obliged for sharing your professional opinions.
My project specifications call for painting the visible internal portions of duct outlets in dull black. Unfortunately I have no further details regarding this paint. I am concerned about the impact this paint can have on the health of the occupants because these are ventilation ducts (office fresh air). Is there a certification mark I should be looking for like low-VOC/lead?
The project is an office commercial building and the ducts are made of galvanized sheet to ASTM A 653.
Also I know there is an ASTM guide for treatment of zinc-coated steel surfaces for painting (D 2092) but does anyone know if are there paints that adhere directly to the zinc coat? It will might make application easier.
Much obliged for sharing your professional opinions.





RE: Painting Inside Ductwork
RE: Painting Inside Ductwork
If a product does not meet specifications or client's requirements it is not acceptable for the project regardless of any advise or opinions we offer in these forums.
RE: Painting Inside Ductwork
B.E.
You are judged not by what you know, but by what you can do.
RE: Painting Inside Ductwork
I'd use low VOC. I only would be concerned with hot air, but i doubt this is the case?
RE: Painting Inside Ductwork
Thanks again for all your input
RE: Painting Inside Ductwork
all paints contain toxic volatiles that gradually evaporate. it's health hazard for ordinary furniture paint, not to mention circumstances where supply air goes directly to your lungs.
your specifier is likely not familiar with hvac engineering.
RE: Painting Inside Ductwork
RE: Painting Inside Ductwork
either way, you should get directions from the designer... so he will be responsible for any VOC. Get it all in writing, because if later the paint peels off, or occupants complain about the smell, or get cancer, they will come after you. This is a bit hyperbole, but you get the general idea.
i assume this is part of the architectural idea and the person who wrote this doesn't have a background in painting, ductwork, or IAQ.
RE: Painting Inside Ductwork
RE: Painting Inside Ductwork
RE: Painting Inside Ductwork
RE: Painting Inside Ductwork